我知道，但我总感觉如果它没有坏，就不要去修理它。

I know, but there is always the feeling that if it isn't broken, don't fix it.

youdao

如果没有坏，就不要修复它。

If It Ain't Broke, Don't Fix It.

youdao

再也没有坏仙女的消息了。

The bad fairy was never heard of again.

youdao

And I'll also remind you, and we're going to see this in the next example, we talked about looking at the worst case behavior. In these cases there's no best case worst case, it's just doing one computation.

我还要提醒大家的就是，我们也会在下一个例子里发现者一点，我们谈到了要去考虑最坏的情况,在下面这些例子里,没有好情况坏情况之分，就只是一次运算。

麻省理工公开课 - 计算机科学及编程导论课程节选

That is the good news.The bad news is there isn't a text that fits this syllabus, so we choose readings from various sources.And the text that I have chosen is the best of a bad lot.

那是个好消息，坏消息是,没有与课程大纲对应的课本，我们从很多的资源中选取阅读材料,我选的课本不过是糟粕中的精华。

麻省理工公开课 - 固态化学导论课程节选

If we look back at that long, open-ended list of things that were good or bad, we'll find that mos of the things on that list are instrumentally good.

再看那个长长的没有结尾的,好的或坏的东西的名单，我们会发现上面很多东西,都是有好的利用价值。

耶鲁公开课 - 死亡课程节选